This ingenious purifier features powerful, filter-less, energy-conscious RxAir® air purification technology that eradicates 99.9% of airborne bacteria and viruses, including multiple Coronavirus strains, the flu, H1N1, pneumonia, strep, and the common cold. It will also destroy the pathogens for SARS, MRSA, measles, and TB! FDA-cleared as a Class II Medical Device, the RxAir®400 air purifier uses UV-C Light to eliminate air pollution and neutralize odors and volatile organic compounds (VOCs).